ABAP Select data from SAP table /SCMTMS/CV_RES01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMTMS/CV_RES01 table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to /SCMTMS/CV_RES01. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the /SCMTMS/CV_RES01 table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_/SCMTMS/CV_RES01 TYPE STANDARD TABLE OF /SCMTMS/CV_RES01,
      WA_/SCMTMS/CV_RES01 TYPE /SCMTMS/CV_RES01,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: </SCMTMS/CV_RES01> TYPE /SCMTMS/CV_RES01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SCMTMS/CV_RES01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMTMS/CV_RES01
  INTO TABLE IT_/SCMTMS/CV_RES01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/CV_RES01
*  INTO TABLE @DATA(IT_/SCMTMS/CV_RES012).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_/SCMTMS/CV_RES01 INDEX 1 INTO DATA(WA_/SCMTMS/CV_RES012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMTMS/CV_RES01 ASSIGNING </SCMTMS/CV_RES01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/CV_RES01>-MANDT = 1.
</SCMTMS/CV_RES01>-RESOURCEUUID = 1.
</SCMTMS/CV_RES01>-RESOURCEID = 1.
</SCMTMS/CV_RES01>-LOCATIONUUID = 1.
</SCMTMS/CV_RES01>-LOCATIONADDITIONALUUID = 1.

ENDLOOP.

LOOP AT IT_/SCMTMS/CV_RES01 INTO WA_/SCMTMS/CV_RES01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/CV_RES01-RESOURCETYPE, sy-vline,
  WA_/SCMTMS/CV_RES01-RESOURCEFACTORYCALENDAR, sy-vline,
  WA_/SCMTMS/CV_RES01-RESOURCEHOMELOCATIONUUID, sy-vline,
  WA_/SCMTMS/CV_RES01-RESOURCESIMULATIONSESSIONUUID, sy-vline,
  WA_/SCMTMS/CV_RES01-RESOURCESIMULATIONVERSIONUUID, sy-vline,
  WA_/SCMTMS/CV_RES01-RESOURCETIMEZONE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/CV_RES01 you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_/SCMTMS/CV_RES01 TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_/SCMTMS/CV_RES01 INTO WA_/SCMTMS/CV_RES01.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/CV_RES01-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/CV_RES01-LANGUAGE.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/SCMTMS/CV_RES01_STR, 
MANDT TYPE STRING,
RESOURCEUUID TYPE STRING,
RESOURCEID TYPE STRING,
LOCATIONUUID TYPE STRING,
LOCATIONADDITIONALUUID TYPE STRING,
RESOURCETYPE TYPE STRING,
RESOURCEFACTORYCALENDAR TYPE STRING,
RESOURCEHOMELOCATIONUUID TYPE STRING,
RESOURCESIMULATIONSESSIONUUID TYPE STRING,
RESOURCESIMULATIONVERSIONUUID TYPE STRING,
RESOURCETIMEZONE TYPE STRING,
TRANSPORTMEANSTYPE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CHANGEDDATETIME TYPE STRING,
ISMULTIRESOURCE TYPE STRING,
NUMBEROFRESOURCES TYPE STRING,
ISPASSIVERESOURCE TYPE STRING,
MULTIRESOURCEISLOCKED TYPE STRING,
TRANSPORTATIONMODE TYPE STRING,
RESOURCECOMPARTMENTPROFILE TYPE STRING,
RESOURCENAME TYPE STRING,
LANGUAGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/CV_RES01_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_/SCMTMS/CV_RES01_STR-MANDT sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCEUUID sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCEID sy-vline 
WA_/SCMTMS/CV_RES01_STR-LOCATIONUUID sy-vline 
WA_/SCMTMS/CV_RES01_STR-LOCATIONADDITIONALUUID sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCETYPE sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCEFACTORYCALENDAR sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCEHOMELOCATIONUUID sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCESIMULATIONSESSIONUUID sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCESIMULATIONVERSIONUUID sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCETIMEZONE sy-vline 
WA_/SCMTMS/CV_RES01_STR-TRANSPORTMEANSTYPE sy-vline 
WA_/SCMTMS/CV_RES01_STR-LASTCHANGEDBYUSER sy-vline 
WA_/SCMTMS/CV_RES01_STR-CHANGEDDATETIME sy-vline 
WA_/SCMTMS/CV_RES01_STR-ISMULTIRESOURCE sy-vline 
WA_/SCMTMS/CV_RES01_STR-NUMBEROFRESOURCES sy-vline 
WA_/SCMTMS/CV_RES01_STR-ISPASSIVERESOURCE sy-vline 
WA_/SCMTMS/CV_RES01_STR-MULTIRESOURCEISLOCKED sy-vline 
WA_/SCMTMS/CV_RES01_STR-TRANSPORTATIONMODE sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCECOMPARTMENTPROFILE sy-vline 
WA_/SCMTMS/CV_RES01_STR-RESOURCENAME sy-vline 
WA_/SCMTMS/CV_RES01_STR-LANGUAGE sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.